Unify uninstall confirmation flag help

[GreyforgeLabs]

Summary

• Collapse uninstall confirmation skipping onto the --yes/-y field with --force/-f accepted as aliases.
• Remove the duplicate independent --force help entry while preserving compatibility for existing commands.

Fixes PlatformNetwork/bounty-challenge#53135

Validation

• cargo fmt --package cortex-cli --check
• git diff --check
• cargo check -p cortex-cli --no-default-features --features cortex-tui
• cargo run -p cortex-cli --no-default-features --features cortex-tui --bin Cortex -- uninstall --help
• target/debug/Cortex uninstall -f --dry-run
• target/debug/Cortex uninstall --yes --dry-run

[greptile-apps]

Your free trial has ended. If you'd like to continue receiving code reviews, you can add a payment method here.